If you invest $823 at an interest rate of 3% how much money will you have after nine years
1 answer:
Answer:
The total money received after 9 years is $1045 .21.
Step-by-step explanation:
The Principal amount invested = $823
Rate of interest = 3%
The time interval = 9 years
Now, SIMPLE INTEREST =
So, here SI =
or, Simple Interest = $222.21
Now,as we know AMOUNT = PRINCIPAL + SIMPLE INTEREST
So, A = $823 + $222.21
= $1045 .21
Hence, the total money received after 9 years is $1045 .21.
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<h3>Answer:</h3>
x/tan(x) is an even function
sec(x)/x is an odd function
<h3>Explanation:</h3><em>x/tan(x)</em>
For f(x) = x/tan(x), consider f(-x).
... f(-x) = -x/tan(-x)
Now, we know that tan(x) is an odd function, so tan(-x) = -tan(x). Using this, we have ...
... f(-x) = -x/(-tan(x)) = x/tan(x) = f(x)
The relation f(-x) = f(x) is characteristic of an even function, one that is symmetrical about the y-axis.
_____
<em>sec(x)/x</em>
For g(x) = sec(x)/x, consider g(-x).
... g(-x) = sec(-x)/(-x)
Now, we know that sec(x) is an even function, so sec(-x) = sec(x). Using this, we have ...
... g(-x) = sec(x)/(-x) = -sec(x)/x = -g(x)
The relation g(-x) = -g(x) is characeristic of an odd function, one that is symmetrical about the origin.